From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC1A3C2BA1A for ; Sat, 4 Apr 2020 15:46:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 940AC2070E for ; Sat, 4 Apr 2020 15:46:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586015160; bh=GMu0zk+p8QMuMWjCbtVqePXwGuMgSxIWxR0r1z6lvyU=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=f86/y53bJ81eujM7ajITLmnaDAq8cr3BykCYBu3ABv76WfWN3H7L71T8j8gW66xRX ebwsRzs1D0/0OcSwMWQ5Qyuz7JdZJvrU046pJyPI1sXhJ516y5cUj2whc/ff75rwY3 audWTogWEzwjJaCOW3ipOWcAOW7BXz7Sy8Aj9Tak= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726312AbgDDPp7 (ORCPT ); Sat, 4 Apr 2020 11:45:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:39374 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726039AbgDDPp7 (ORCPT ); Sat, 4 Apr 2020 11:45:59 -0400 Received: from mail-ed1-f44.google.com (mail-ed1-f44.google.com [209.85.208.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 96CB3206C3; Sat, 4 Apr 2020 15:45:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586015158; bh=GMu0zk+p8QMuMWjCbtVqePXwGuMgSxIWxR0r1z6lvyU=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=In63Izep8i8dqQyydQQmo8v++EZOqlLlmMuKdMxXFfzEBMh1HfJabL2vVFHShgGIj /Wo4gzAUVDMtw1/UNGmQf1lYig+Kg4Wp8LDhqUX2GeATB1X7WwqAm1JcIUyZqtQ+Zk TfnheDJbmR4Co6Zm3mHw7Ky+Ki1/d+WJm7frwn84= Received: by mail-ed1-f44.google.com with SMTP id bd14so13077896edb.10; Sat, 04 Apr 2020 08:45:58 -0700 (PDT) X-Gm-Message-State: AGi0PuYb4DqvdnthUD2B9TpA8TuFVbN9WT5N8639J2gvInN+1nJ/B7xV 5yAP+k1RqpFdua6NhQ3tYWbJcxVsGnqB1OeI8A== X-Google-Smtp-Source: APiQypKX48tTaJ6RxCfGLNPptu/cJWdbVnwRtToRHot3QHJ2YgdHABiYCkH652IzhRi38qOA2XH03CE7gPBlBXCImT4= X-Received: by 2002:a50:af85:: with SMTP id h5mr12733695edd.300.1586015157107; Sat, 04 Apr 2020 08:45:57 -0700 (PDT) MIME-Version: 1.0 References: <20200331082725.81048-1-jitao.shi@mediatek.com> <20200331082725.81048-2-jitao.shi@mediatek.com> In-Reply-To: <20200331082725.81048-2-jitao.shi@mediatek.com> From: Chun-Kuang Hu Date: Sat, 4 Apr 2020 23:45:45 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v4 1/4] dt-bindings: display: mediatek: add property to control mipi tx drive current To: Jitao Shi Cc: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , DRI Development , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, srv_heupstream@mediatek.com, huijuan.xie@mediatek.com, stonea168@163.com, cawa.cheng@mediatek.com, linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Jitao: Jitao Shi =E6=96=BC 2020=E5=B9=B43=E6=9C=8831=E6= =97=A5 =E9=80=B1=E4=BA=8C =E4=B8=8B=E5=8D=884:28=E5=AF=AB=E9=81=93=EF=BC=9A > > Add a property to control mipi tx drive current: > "drive-strength-microamp" Reviewed-by: Chun-Kuang Hu > > Signed-off-by: Jitao Shi > --- > .../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,= dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.t= xt > index a19a6cc375ed..d78b6d6d8fab 100644 > --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt > @@ -33,6 +33,10 @@ Required properties: > - #clock-cells: must be <0>; > - #phy-cells: must be <0>. > > +Optional properties: > +- drive-strength-microamp: adjust driving current, should be 3000 ~ 6000= . And > + the step is 200. > + > Example: > > mipi_tx0: mipi-dphy@10215000 { > @@ -42,6 +46,7 @@ mipi_tx0: mipi-dphy@10215000 { > clock-output-names =3D "mipi_tx0_pll"; > #clock-cells =3D <0>; > #phy-cells =3D <0>; > + drive-strength-microamp =3D <4600>; > }; > > dsi0: dsi@1401b000 { > -- > 2.21.0 > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0264DC2BA15 for ; Sat, 4 Apr 2020 15:46:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C8668206F8 for ; 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